Message Definitions: add MAV_AUTOPILOT_SMACCMPILOT to MAV_AUTOPILOT enum
Message Definitions: change smaccmpilot description to URL
Merge pull request #89 from GaloisInc/master

thanks Pat!
Added new 'CS' option to mavgen.py

.Net assembly generation
Fixed bug with packet sequence number incrementing
generator: error_limit is an integer
fixed tlog extension
mavgraph: added more colours
added RANGEFINDER message for rover/copter
pymavlink: added motors_armed() function
pymavlink: added rover mode strings
pymavlink: regenerated python classes